AutoCodes – Ford – P0703 2003 Ford F150

P0703 2003 Ford F150 Code - Brake Switch Performance

Quick Answer

The Brake Pedal Position (BPP) switch is sometimes referred to as the stop lamp switch. Common causes include Faulty Brake Pedal Position (BPP) Switch (Stop Lamp Switch), Misadjusted Brake Pedal Position Switch, Brake Pedal Position Switch harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0703 2003 Ford F150 indicates Brake Switch Performance.
Common causes: Common causes include Faulty Brake Pedal Position (BPP) Switch (Stop Lamp Switch), Misadjusted Brake Pedal Position Switch, Brake Pedal Position Switch harness is open or shorted.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 4,703

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 13, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0703 2003 Ford F150 Description

The Brake Pedal Position (BPP) switch is sometimes referred to as the stop lamp switch. The BPP switch provides a signal to the Powertrain Control Module (PCM) indicating the brakes are applied. The BPP switch is normally open and mounted on the brake pedal support. The Powertrain Control Module monitors the BPP switch. The Diagnostic Trouble Code (DTC) will set when the Powertrain Control Module did not receive a BPP switch input.

OBDII Code P0703 2003 Ford F150 - Brake Switch Performance - AutoCodes.com — P0703 2003 Ford F150 Code - Brake Switch Performance

What does this mean?

What are the Possible Causes of the DTC P0703 2003 Ford F150?

Faulty Brake Pedal Position (BPP) Switch (Stop Lamp Switch)
Misadjusted Brake Pedal Position Switch
Brake Pedal Position Switch harness is open or shorted
Brake Pedal Position Switch circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0703 2003 Ford F150?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

Check if the stop light works with when the brake pedal is depressed if the brake lights are inoperative, replace or adjust the Brake Pedal Position (BPP) Switch (Stop Lamp Switch).

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0703 2003 Ford F150 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0703 2003 Ford F150 Code

1. What are the common symptoms of OBDII code P0703 on a 2003 Ford F150?

- Common symptoms include the brake lights staying on constantly, the inability to shift out of park, and the cruise control not working.

2. What does OBDII code P0703 Brake Switch Performance mean on a 2003 Ford F150?

- This code indicates that there is a malfunction with the brake switch, which is responsible for activating the brake lights and allowing the vehicle to shift out of park.

3. What are the possible causes of OBDII code P0703 on a 2003 Ford F150?

- The most common causes of this code are a faulty brake switch, a misadjusted brake switch, damaged wiring or connectors related to the brake switch, or a malfunctioning brake control module.

4. How can I diagnose OBDII code P0703 on my 2003 Ford F150?

- Diagnosis typically involves checking the brake switch for proper operation, inspecting the wiring and connectors for any damage, and using a scan tool to retrieve and clear the code for testing purposes.

5. Can I continue driving my 2003 Ford F150 with OBDII code P0703?

- It is not recommended to drive the vehicle with this code, as it can affect the proper operation of the brake lights and the ability to shift gears, potentially compromising safety.

6. How can I repair OBDII code P0703 on my 2003 Ford F150?

- Repairing this code usually involves replacing the brake switch if it is faulty, adjusting the brake switch if misaligned, repairing any damaged wiring or connectors, and clearing the code from the vehicle's system.

7. Will OBDII code P0703 cause my 2003 Ford F150 to fail an emissions test?

- Yes, this code can cause your vehicle to fail an emissions test, as it indicates a malfunction in the brake switch system which can impact overall vehicle performance.

8. How much does it cost to repair OBDII code P0703 on a 2003 Ford F150?

- The cost of repair can vary depending on the specific cause of the issue, but it typically ranges from $100 to $200 for parts and labor.

9. Can a DIY enthusiast fix OBDII code P0703 on a 2003 Ford F150?

- Yes, if you have the necessary tools and knowledge, you may be able to fix this issue yourself by following repair guides or tutorials specific to your vehicle model.

10. How long does it take to repair OBDII code P0703 on a 2003 Ford F150?

- The repair time can vary based on the exact cause of the code, but it typically takes around 1-2 hours to diagnose and fix the issue, assuming all necessary parts are readily available.